Sharp LC-32LE265T

LC-32LE265T / LC-40LE265T
4 – 4
No audio heard (1)
No sound in the UHF/VHF reception.
NO Check TU1102 and its peripheral circuits.
YES
Is there the 12C signal input at pins (W4
), (W5) of IC3301? NO Check IC3301 and its peripheral circuits.
YES
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peripheral circuits.
YES
Is the L-ch audio signal output at pin (26),(27)
NO Check IC1702 and its peripheral circuits.
of IC1702 normal?
YES
Are the audio signal L-ch and R-ch output at (3)/(4) and (1)/(2) of
P1702 n
ormal?
NO Check circuit between IC1702 & P1701.
YES
Check speakers and their peripheral circuits.
(30),(31)
of IC1702 normal?
Is the R-ch audio signal output at pin (10
(11), (14) (15),
Is the IF output from the tuner pin(8) & (9)
ofTU1102 as specified ?